You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <alllinks galcontinue="Carboy_Washer" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1870" ns="0" title="Batch Sparge and Party Gyle Simulator" />
      <page pageid="1458" ns="0" title="Batch Sparging Analysis" />
      <page pageid="1803" ns="0" title="Beer color, alkalinity and mash pH" />
      <page pageid="1935" ns="0" title="Beer color to mash pH (v2.0)" />
      <page pageid="1" ns="0" title="Braukaiser.com" />
      <page pageid="1858" ns="0" title="Brezels and other Laugengebäck" />
      <page pageid="1781" ns="0" title="Brezels and other Laugengeb�ck" />
      <page pageid="1774" ns="0" title="Building brewing water with dissolved chalk" />
      <page pageid="1619" ns="0" title="Carbohydrates" />
      <page pageid="1504" ns="0" title="Carbonation Tables" />
    </pages>
  </query>
</api>